We are witnessing a shift in the world order that happens only once in a generation. The global system of alliances is being shaken. Such turmoil usually indicates a massive shift in global power. These shifts often trigger major wars.

For most of the 19th century, Britain’s top enemy was Russia. Britain’s whole system of alliances was built to isolate and oppose Russian power. But at the turn of the century, other powers were rising, most notably Germany. This development triggered a complete shake-up. Russia veered from enemy to ally in 1907. World War i followed on the heels of this upheaval.

That shift in alliances did not cause World War i. But it was a symptom of some of the other long-term causes. Continue reading →